From: "Dr. David Alan Gilbert" <dgilbert@redhat.com>
To: "Daniel P. Berrange" <berrange@redhat.com>
Cc: Amit Shah <amit.shah@redhat.com>,
qemu-devel@nongnu.org, Juan Quintela <quintela@redhat.com>
Subject: Re: [Qemu-devel] [PATCH v1 19/22] migration: move definition of struct QEMUFile back into qemu-file.c
Date: Fri, 5 Feb 2016 18:32:18 +0000 [thread overview]
Message-ID: <20160205183218.GC2439@work-vm> (raw)
In-Reply-To: <1452599056-27357-20-git-send-email-berrange@redhat.com>
* Daniel P. Berrange (berrange@redhat.com) wrote:
> Now that the memory buffer based QEMUFile impl is gone, there
> is no need for any backend to be accessing internals of the
> QEMUFile struct, so it can be moved back into qemu-file.c
>
> Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
Reviewed-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
> ---
> migration/qemu-file-internal.h | 54 ------------------------------------------
> migration/qemu-file.c | 24 ++++++++++++++++++-
> 2 files changed, 23 insertions(+), 55 deletions(-)
> delete mode 100644 migration/qemu-file-internal.h
>
> diff --git a/migration/qemu-file-internal.h b/migration/qemu-file-internal.h
> deleted file mode 100644
> index 8fdfa95..0000000
> --- a/migration/qemu-file-internal.h
> +++ /dev/null
> @@ -1,54 +0,0 @@
> -/*
> - * QEMU System Emulator
> - *
> - * Copyright (c) 2003-2008 Fabrice Bellard
> - *
> - * Permission is hereby granted, free of charge, to any person obtaining a copy
> - * of this software and associated documentation files (the "Software"), to deal
> - * in the Software without restriction, including without limitation the rights
> - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
> - * copies of the Software, and to permit persons to whom the Software is
> - * furnished to do so, subject to the following conditions:
> - *
> - * The above copyright notice and this permission notice shall be included in
> - * all copies or substantial portions of the Software.
> - *
> - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
> - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
> - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
> - * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
> - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
> - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
> - * THE SOFTWARE.
> - */
> -
> -#ifndef QEMU_FILE_INTERNAL_H
> -#define QEMU_FILE_INTERNAL_H 1
> -
> -#include "qemu-common.h"
> -#include "qemu/iov.h"
> -
> -#define IO_BUF_SIZE 32768
> -#define MAX_IOV_SIZE MIN(IOV_MAX, 64)
> -
> -struct QEMUFile {
> - const QEMUFileOps *ops;
> - const QEMUFileHooks *hooks;
> - void *opaque;
> -
> - int64_t bytes_xfer;
> - int64_t xfer_limit;
> -
> - int64_t pos; /* start of buffer when writing, end of buffer
> - when reading */
> - int buf_index;
> - int buf_size; /* 0 when writing */
> - uint8_t buf[IO_BUF_SIZE];
> -
> - struct iovec iov[MAX_IOV_SIZE];
> - unsigned int iovcnt;
> -
> - int last_error;
> -};
> -
> -#endif
> diff --git a/migration/qemu-file.c b/migration/qemu-file.c
> index fc5977e..333f418 100644
> --- a/migration/qemu-file.c
> +++ b/migration/qemu-file.c
> @@ -29,9 +29,31 @@
> #include "qemu/coroutine.h"
> #include "migration/migration.h"
> #include "migration/qemu-file.h"
> -#include "migration/qemu-file-internal.h"
> #include "trace.h"
>
> +#define IO_BUF_SIZE 32768
> +#define MAX_IOV_SIZE MIN(IOV_MAX, 64)
> +
> +struct QEMUFile {
> + const QEMUFileOps *ops;
> + const QEMUFileHooks *hooks;
> + void *opaque;
> +
> + int64_t bytes_xfer;
> + int64_t xfer_limit;
> +
> + int64_t pos; /* start of buffer when writing, end of buffer
> + when reading */
> + int buf_index;
> + int buf_size; /* 0 when writing */
> + uint8_t buf[IO_BUF_SIZE];
> +
> + struct iovec iov[MAX_IOV_SIZE];
> + unsigned int iovcnt;
> +
> + int last_error;
> +};
> +
> /*
> * Stop a file from being read/written - not all backing files can do this
> * typically only sockets can.
> --
> 2.5.0
>
--
Dr. David Alan Gilbert / dgilbert@redhat.com / Manchester, UK
next prev parent reply other threads:[~2016-02-05 18:32 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-01-12 11:43 [Qemu-devel] [PATCH v1 00/22] Convert migration to QIOChannel & support TLS Daniel P. Berrange
2016-01-12 11:43 ` [Qemu-devel] [PATCH v1 01/22] s390: use FILE instead of QEMUFile for creating text file Daniel P. Berrange
2016-01-12 11:58 ` Cornelia Huck
2016-01-12 12:01 ` Daniel P. Berrange
2016-01-12 12:05 ` Cornelia Huck
2016-02-12 17:19 ` Dr. David Alan Gilbert
2016-01-12 11:43 ` [Qemu-devel] [PATCH v1 02/22] migration: remove use of qemu_bufopen from vmstate tests Daniel P. Berrange
2016-01-28 17:45 ` Dr. David Alan Gilbert
2016-01-12 11:43 ` [Qemu-devel] [PATCH v1 03/22] migration: ensure qemu_fflush() always writes full data amount Daniel P. Berrange
2016-01-28 17:53 ` Dr. David Alan Gilbert
2016-02-03 13:31 ` Daniel P. Berrange
2016-01-12 11:43 ` [Qemu-devel] [PATCH v1 04/22] migration: split migration hooks out of QEMUFileOps Daniel P. Berrange
2016-01-28 17:57 ` Dr. David Alan Gilbert
2016-01-12 11:43 ` [Qemu-devel] [PATCH v1 05/22] migration: introduce set_blocking function in QEMUFileOps Daniel P. Berrange
2016-01-28 18:00 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 06/22] migration: force QEMUFile to blocking mode for outgoing migration Daniel P. Berrange
2016-01-28 18:17 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 07/22] migration: introduce a new QEMUFile impl based on QIOChannel Daniel P. Berrange
2016-02-02 17:06 ` Dr. David Alan Gilbert
2016-02-03 13:37 ` Daniel P. Berrange
2016-02-12 17:16 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 08/22] migration: convert post-copy to use QIOChannelBuffer Daniel P. Berrange
2016-01-25 19:38 ` Dr. David Alan Gilbert
2016-01-25 22:15 ` Daniel P. Berrange
2016-01-26 18:59 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 09/22] migration: convert unix socket protocol to use QIOChannel Daniel P. Berrange
2016-02-02 18:02 ` Dr. David Alan Gilbert
2016-02-03 11:25 ` Daniel P. Berrange
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 10/22] migration: convert tcp " Daniel P. Berrange
2016-02-02 18:19 ` Dr. David Alan Gilbert
2016-02-03 10:02 ` Daniel P. Berrange
2016-02-03 10:33 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 11/22] migration: convert fd " Daniel P. Berrange
2016-02-02 18:46 ` Dr. David Alan Gilbert
2016-02-03 10:05 ` Daniel P. Berrange
2016-02-03 10:29 ` Dr. David Alan Gilbert
2016-02-03 10:39 ` Daniel P. Berrange
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 12/22] migration: convert exec " Daniel P. Berrange
2016-02-02 18:53 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 13/22] migration: convert RDMA to use QIOChannel interface Daniel P. Berrange
2016-02-02 20:01 ` Dr. David Alan Gilbert
2016-02-03 11:37 ` Daniel P. Berrange
2016-02-03 13:23 ` Dr. David Alan Gilbert
2016-02-03 13:25 ` Daniel P. Berrange
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 14/22] migration: convert savevm to use QIOChannel for writing to files Daniel P. Berrange
2016-02-03 9:52 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 15/22] migration: delete QEMUFile buffer implementation Daniel P. Berrange
2016-02-03 9:54 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 16/22] migration: delete QEMUSizedBuffer struct Daniel P. Berrange
2016-02-03 9:55 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 17/22] migration: delete QEMUFile sockets implementation Daniel P. Berrange
2016-02-03 9:56 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 18/22] migration: delete QEMUFile stdio implementation Daniel P. Berrange
2016-02-03 9:58 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 19/22] migration: move definition of struct QEMUFile back into qemu-file.c Daniel P. Berrange
2016-02-05 18:32 ` Dr. David Alan Gilbert [this message]
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 20/22] migration: support TLS encryption with TCP migration backend Daniel P. Berrange
2016-02-12 17:09 ` Dr. David Alan Gilbert
2016-02-12 17:25 ` Daniel P. Berrange
2016-02-15 11:00 ` Daniel P. Berrange
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 21/22] migration: remove support for non-iovec based write handlers Daniel P. Berrange
2016-02-12 15:48 ` Dr. David Alan Gilbert
2016-01-12 11:44 ` [Qemu-devel] [PATCH v1 22/22] migration: remove qemu_get_fd method from QEMUFile Daniel P. Berrange
2016-02-12 15:51 ` Dr. David Alan Gilbert
2016-01-12 11:59 ` [Qemu-devel] [PATCH v1 00/22] Convert migration to QIOChannel & support TLS Daniel P. Berrange
2016-01-20 18:01 ` Daniel P. Berrange
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